Lever-press.



LEVER PRESS. I APPLICATION HLE )ULY 19| EH1- 1,270,620. Patented June 25, 1918.

j@ j Zfyy ef/ c o o 6% /0" o I #il "0.) i y l Mh l JATTORNEY ITE alf STATES PATENT OFFICE.

CHARLES W. JUDI), OF LOWELL, MASSACHUSETTS, ASSIGNOR T0 GORDON C. BIXBY, 0F

- LOWELL, MASSACHUSETTS.

LEVER-PRESS.

Specification of Letters Patent.

Patented J une 25, 1918.

Application filed July 19, 1917. Serial No. 181,467.

TQ all whom it may concern.'

Be it known that I, CHARLES W. JUDD, a citizen of the United States, residing at Lowell, in the county of Middlesex and Commonwealth of Massachusetts, have in.- vented a certain new and useful Improvement in Lever-Presses, of which the followinf]|` is a specification.

his invention relates to lever presses or presses in which pressure is applied to the plunger or follower by a lever.

The object of this invention is to make a serviceable and durable press at a slight cost, to provide means for preventing the expansion of the contents of the press between the successive applications of pressure and to keep the contents compressed while wiring or tying.

In the accompanying drawing Figure 1 is a front elevation of a lever press embodying my invention, the door being open; Fig. 2, a left side elevation of the same, a part of the side of the box or press body being broken away; Fig. 3, a plan of the same, a part of the follower being broken away; the press in each figure being represented as containing material to be pressed.

The box or frame A may be of any usual shape in cross section but is represented as rectangular and as provided with a door a, through which a pressed bale or package may be removed. Within the box A is arranged a plunger or follower B, rovided with a stem or plunger-rod b. Tie parts above specified may all be of usual construction and operation except as hereinafter stated.

The upper portion of the vertical stem b of the plunger B is provided on both sides with projections b1, consisting preferably of pins driven through said stem and extending from the opposite sides thereof equally at right angles therewith to a distance as great as the lateral thickness of one of the levers C C1. The two levers C CL are represented as alike, being levers of the second order pivoted on opposite sides of a vertical fulcrum-post D by a bolt c which passes through said levers and ost, said post being rigidly secured to the ack of the box A directly behind the stem b of the plunger. The bearing of the levers on the bolt c is loose enough to allow each lever to swing away from the stem far enough to pass the free ends of the projections 51, so that each lever may be moved from one of the corresponding projections to another as the plunger descends, in order that the swing of said levers may be worked through short arcs and the pressure upon the plunger may vary as little as possible from the perpendicular. Each lever is provided on the under side with an arc-shaped notch c1 to keep the stem of the lunger from moving too far from a vertical) position and thus to keep the plunger in an approximately horizontal position or parallel with the bottom of the box.

The levers may be used simultaneously or alternately. When the material to be compressed is lirst placed in the box and is in a loose condition, offering little resistance, both levers may be used at the same time for a few strokes but when the resistance becomes greater it will be more advantageous to hold one of the levers down to prevent the material from rising while the other lever is swung away from the stem to clear the projections on the corresponding side of the stem and raised into engagement with another higher projection for another downward movement of the plunger, thus operat ing the levers alternately on opposite sides of the stem. A vertical locking post E is secured to the front of the box A above the door a in alinement with the fulcrum post D and stem Z) between the levers C C]L and is perforated laterally to receive a pin F which may be passed through said post E above both levers to prevent the compressed contents of the press or bale from expanding while being wired or tied.

I claim as my invention:

1. In a lever press, the combination of a box, a plunger having a stem and a pair of levers fulcrumed on said box and arranged on opposite sides of said stem, said stem being adapted to be engaged by said levers independently of each other.

2. In a lever press, the combination of a box, a plunger having a stem, a pair of levers, each fulcrumed on said box, and arranged on opposite sides of said stem, and a series of projections on oppositessides of said stem, the projections of each series adapted to be engaged singly by the lever at the same side of said stem.

3. In a lever press, the combination of a box, a plunger having a stem, a pair of levers fulcrumed on said box and arranged dependently ofeaohfother, post secured to said boX in alinement With said ffulorurn and stern and provided With holes and a, pin` adapted to be passed through a hole above said lever post to .prevent the rising of said plunger.

4c. In a lever press, the Ncombination of a box7 a plunger having a stern, a pair of levers, each fulerurned onsaid-boxand arranged onopposite sides of saidsteni, and

said proj eotions.

In Witness whereof I have signed this specification in the presence of two-Witnesses.

y CHARLES W. J IIDD. Witnesses:

ALBERT M. LMOORII, JAMES CARMIGIAHEL.

Copies of this patent may be obtained for ve `cents each, by addressing the Commissioner of Piatents, Washington, D. C. 

